.active{
    background-color: red;
    line-height: 200px;
    text-align: center;
    color: white;
    font-size: 50px;
    /* user-select: none; */
}


.box{
    background-color: green;
    line-height: 200px;
    font-size: 50px;
    color: crimson;
    text-align: center;
    /* user-select: none; */
}